Aug 24, 2025
A plume of anomalously rich monsoonal moisture pushed into eastern Utah and western Colorado in the days prior to these debris flows. On the day of the flows, precipitable water values were in excess of 1.00 inch across the region. Daytime heating acting on the complex terrain of the region allowed for the formation of thunderstorms during the afternoon. These storms were capable of producing heavy rainfall with very high rain rates. Over the course of the day, multiple of these storms moved ove
Source: NOAA National Weather Service Storm Events Database (event 1291256). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Rio Blanco County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.